| Poroject | TY-MZ-91 | TY-MZ-92 | TY-MZ-93 | TY-MZ-94 | |
|
% chemical index |
MgO ≥ | 91 | 92 | 93 | 94.5 |
| SiO2 ≤ | 4.0 | 3.5 | 2.5 | 2.0 | |
| Fe2O3 ≤ | 1.3 | - | - | 1.2 | |
| CaO≤ | 2.5 | 2.5 | 2.0 | 1.8 | |
|
%≤ Apparent porosity |
18 | 18 | 18 | 18 | |
|
≥ Bulk density |
2.86 | 2.90 | 2.95 | 2.92 | |
|
≥ Compressive strength |
60 | 60 | 50 | 60 | |
|
0.2Mpa,0.6℃ Refractory under load |
≥1570 | ≥1560 | ≥1620 | ≥1650 | |
|
1500℃X2h Reheating liner change rate |
0～+0.4 |
0～+0.4 |
0～+0.4 |
0～+0.4 |
|
|
Thermai shock resistance 100℃ water cool |
≥18 | ≥18 | ≥18 | ≥18 | |
